Cod sursa(job #383058)

Utilizator pantherxHalalai Andrei pantherx Data 15 ianuarie 2010 15:57:59
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<stdio.h>
FILE *f=fopen("fractii.in","r");
FILE *g=fopen("fractii.out","w");
int main()
{
int n,nr=0,i,j,a,b;
fscanf(f,"%d",&n);
for(i=1;i<=n;i++)
{
	for(j=1;j<=n;)
	{
		a=i;b=j;
		while(a!=b)
		{
			if(a>b)a=a-b;
			if(b>a)b=b-a;
		}
		if(b!=1)j++;
		if(b==1){nr++;j++;}
	}

}
fprintf(g,"%d",nr);
return 0;
}